80450766 has 128 divisors (see below), whose sum is σ = 213995520. Its totient is φ = 22118400.

The previous prime is 80450761. The next prime is 80450789. The reversal of 80450766 is 66705408.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 80450766.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80450761) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 312910 + ... + 313166.

It is an arithmetic number, because the mean of its divisors is an integer number (1671840).

Almost surely, 2^80450766 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80450766, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106997760).

80450766 is an abundant number, since it is smaller than the sum of its proper divisors (133544754).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80450766 is a wasteful number, since it uses less digits than its factorization.

80450766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327 (or 321 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 80450766 is about 8969.4350992691. The cubic root of 80450766 is about 431.6947110044.

The spelling of 80450766 in words is "eighty million, four hundred fifty thousand, seven hundred sixty-six".